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      1 /*
      2  * Copyright (C) 2009 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.email.service;
     18 
     19 import com.android.email.activity.setup.AccountSetupFinal;
     20 import com.android.email.service.EmailServiceUtils.EmailServiceInfo;
     21 import com.android.emailcommon.provider.EmailContent;
     22 
     23 import android.accounts.AbstractAccountAuthenticator;
     24 import android.accounts.Account;
     25 import android.accounts.AccountAuthenticatorResponse;
     26 import android.accounts.AccountManager;
     27 import android.accounts.NetworkErrorException;
     28 import android.app.Service;
     29 import android.content.ContentResolver;
     30 import android.content.Context;
     31 import android.content.Intent;
     32 import android.os.Bundle;
     33 import android.os.IBinder;
     34 import android.provider.CalendarContract;
     35 import android.provider.ContactsContract;
     36 
     37 /**
     38  * A very basic authenticator service for EAS.  At the moment, it has no UI hooks.  When called
     39  * with addAccount, it simply adds the account to AccountManager directly with a username and
     40  * password.
     41  */
     42 public class AuthenticatorService extends Service {
     43     public static final String OPTIONS_USERNAME = "username";
     44     public static final String OPTIONS_PASSWORD = "password";
     45     public static final String OPTIONS_CONTACTS_SYNC_ENABLED = "contacts";
     46     public static final String OPTIONS_CALENDAR_SYNC_ENABLED = "calendar";
     47     public static final String OPTIONS_EMAIL_SYNC_ENABLED = "email";
     48 
     49     class Authenticator extends AbstractAccountAuthenticator {
     50 
     51         public Authenticator(Context context) {
     52             super(context);
     53         }
     54 
     55         @Override
     56         public Bundle addAccount(AccountAuthenticatorResponse response, String accountType,
     57                 String authTokenType, String[] requiredFeatures, Bundle options)
     58                 throws NetworkErrorException {
     59 
     60             final String protocol = EmailServiceUtils.getProtocolFromAccountType(
     61                     AuthenticatorService.this, accountType);
     62             final EmailServiceInfo info = EmailServiceUtils.getServiceInfo(
     63                     AuthenticatorService.this, protocol);
     64 
     65                     // There are two cases here:
     66             // 1) We are called with a username/password; this comes from the traditional email
     67             //    app UI; we simply create the account and return the proper bundle
     68             if (options != null && options.containsKey(OPTIONS_PASSWORD)
     69                     && options.containsKey(OPTIONS_USERNAME)) {
     70                 final Account account = new Account(options.getString(OPTIONS_USERNAME),
     71                         accountType);
     72                 AccountManager.get(AuthenticatorService.this).addAccountExplicitly(
     73                             account, options.getString(OPTIONS_PASSWORD), null);
     74 
     75                 // Set up contacts syncing, if appropriate
     76                 if (info.syncContacts) {
     77                     boolean syncContacts = options.getBoolean(OPTIONS_CONTACTS_SYNC_ENABLED, false);
     78                     ContentResolver.setIsSyncable(account, ContactsContract.AUTHORITY, 1);
     79                     ContentResolver.setSyncAutomatically(account, ContactsContract.AUTHORITY,
     80                             syncContacts);
     81                 }
     82 
     83                 // Set up calendar syncing, if appropriate
     84                 if (info.syncCalendar) {
     85                     boolean syncCalendar = options.getBoolean(OPTIONS_CALENDAR_SYNC_ENABLED, false);
     86                     ContentResolver.setIsSyncable(account, CalendarContract.AUTHORITY, 1);
     87                     ContentResolver.setSyncAutomatically(account, CalendarContract.AUTHORITY,
     88                             syncCalendar);
     89                 }
     90 
     91                 // Set up email syncing (it's always syncable, but we respect the user's choice
     92                 // for whether to enable it now)
     93                 boolean syncEmail = false;
     94                 if (options.containsKey(OPTIONS_EMAIL_SYNC_ENABLED) &&
     95                         options.getBoolean(OPTIONS_EMAIL_SYNC_ENABLED)) {
     96                     syncEmail = true;
     97                 }
     98                 ContentResolver.setIsSyncable(account, EmailContent.AUTHORITY, 1);
     99                 ContentResolver.setSyncAutomatically(account, EmailContent.AUTHORITY,
    100                         syncEmail);
    101 
    102                 Bundle b = new Bundle();
    103                 b.putString(AccountManager.KEY_ACCOUNT_NAME, options.getString(OPTIONS_USERNAME));
    104                 b.putString(AccountManager.KEY_ACCOUNT_TYPE, accountType);
    105                 return b;
    106             // 2) The other case is that we're creating a new account from an Account manager
    107             //    activity.  In this case, we add an intent that will be used to gather the
    108             //    account information...
    109             } else {
    110                 Bundle b = new Bundle();
    111                 Intent intent =
    112                     AccountSetupFinal.actionGetCreateAccountIntent(AuthenticatorService.this,
    113                             accountType);
    114                 intent.putExtra(AccountManager.KEY_ACCOUNT_AUTHENTICATOR_RESPONSE, response);
    115                 b.putParcelable(AccountManager.KEY_INTENT, intent);
    116                 return b;
    117             }
    118         }
    119 
    120         @Override
    121         public Bundle confirmCredentials(AccountAuthenticatorResponse response, Account account,
    122                 Bundle options) {
    123             return null;
    124         }
    125 
    126         @Override
    127         public Bundle editProperties(AccountAuthenticatorResponse response, String accountType) {
    128             return null;
    129         }
    130 
    131         @Override
    132         public Bundle getAuthToken(AccountAuthenticatorResponse response, Account account,
    133                 String authTokenType, Bundle loginOptions) throws NetworkErrorException {
    134             return null;
    135         }
    136 
    137         @Override
    138         public String getAuthTokenLabel(String authTokenType) {
    139             // null means we don't have compartmentalized authtoken types
    140             return null;
    141         }
    142 
    143         @Override
    144         public Bundle hasFeatures(AccountAuthenticatorResponse response, Account account,
    145                 String[] features) throws NetworkErrorException {
    146             return null;
    147         }
    148 
    149         @Override
    150         public Bundle updateCredentials(AccountAuthenticatorResponse response, Account account,
    151                 String authTokenType, Bundle loginOptions) {
    152             return null;
    153         }
    154 
    155     }
    156 
    157     @Override
    158     public IBinder onBind(Intent intent) {
    159         if (AccountManager.ACTION_AUTHENTICATOR_INTENT.equals(intent.getAction())) {
    160             return new Authenticator(this).getIBinder();
    161         } else {
    162             return null;
    163         }
    164     }
    165 }
    166